查询词典 alkaloids

Methods: The contents of evodiamine and rutaecarpine in Fructus Evodiae were determined with HPLC, and the total yields of the two alkaloids were chosen as the evaluating indicator.

采用HPLC法测定吴茱萸碱和吴茱萸次碱的含量，以两种生物碱总含量为评价指标，采用正交试验设计确定最佳甘草制吴茱萸的炮制工艺。

Compared the equivalent ratio relationship of granule for clincal prescription and clincal decoction by determination of evodiamine, rutaecarpine, evodine, total alkaloids and dried extract ratio as markers, ten batches reference decoctions were prepared according to clinical usage as evaluation standards, common-use processed fructus evodiae products, such as salt-processed fructus evodiae, liquorice-proccesed fructus evodiae, as researching objects, and finally validated by pharmacological trials.

以吴茱萸胺、吴茱萸次碱、吴茱萸内酯、吴茱萸总生物碱、出膏率为评价指标，以临床煎剂的煎煮方法制备的10批对照汤剂的平均值为临床煎剂的评价标准，以多个临床常用的炮制品为研究对象，比较配方颗粒和临床煎剂间的等效比例关系，并以药效指标进一步验证等效比的正确性。

Sexual poppy-sour taste, toxic, containing morphine, codeine and then Ting, 30 papaverine many alkaloids, analgesia, Cough, antidiarrheal medicine for more than Syndrome chronic cough, chest and abdomen various skeletal pain, diarrhea more than regular shell; also for kidney deficiency caused by spermatorrhea.

罂粟壳性平味酸涩，有毒，内含吗啡、可待因、那可汀、罂粟碱等30多种生物碱，为镇痛、止咳、止泻药，用于肺虚久咳不止、胸腹筋骨各种疼痛、久痢常泻不止；也用于肾虚引起的遗精、滑精等症。

Results :Stachys geobombycis may contain constituents, alkaloids,flavones and glycosides,ploysugars and organic acid etc .

结果 地蚕中可能含有生物碱、黄酮及其苷类、多糖、有机酸等成分。

Described in chapter 3 is the immediate application of the Clemmensen reductive rearrangement reaction to the polycyclic system as illustrated in a elaboration of the 5-6-7 tricyclie core skeleton of Stemona alkaloids in 5 steps: N-alkylation, [3, 2] -sigmatropic rearrangement, Dieckmann condensation, oxidative cyclization, reductive rearrangement, starting from ethyl pipecolinate hydrochloride.

我们以哌啶酸乙酯为起始原料，经氮烷基化，[3，2]-σ重排，Dieckmann缩合，自由基环化，6-6-6元环系到5-6-7元环系的还原重排五步反应，高收率地构筑了百部生物碱的5-6-7氮杂三环骨架，并用X射线晶体衍射法确定了其结构。

The needles of Thermopsis lanceolate R.Br. were extracted with supercritical carbon dioxide to obtain alkaloids.

利用超临界CO2萃取的方法，研究了披针叶黄华萃取工艺，得到总生物碱。

Method］ Alcohol solvent extraction method was used to extract the total extract of Thermopsis lanceolata, and it was treated by acid-soluble and alkalization. Then chloroform was used to extract the total alkaloids. Finally, GC-MS was used to analyze and identify the chemical composition.

方法］采用醇类溶剂提取法，提出披针叶黄华总浸膏，经酸溶、碱化处理，再用氯仿萃取出总生物碱，利用GC-MS法对其化学成分进行分析鉴定。

Aim To investigate the alkaloids of Thesium chinense Turcz.

目的 研究百蕊草中的生物碱成分。

Simultaneously we prepared benzimidazolines with two methods by the of reduction benzimidazolium salts with NaBH_4 and Grignard addition with benzimidazolium salts. Thus we provided a new biomimic synthetic method for 13 kind of tetrahydroisoquinoline starting from carboxylic aicd and halid, gave a new idea of the synthesis for new drugs.It can make many kind ofβ-carboline alkaloids which have bioactivity to antibacterium, antivirus and antitumor to start from 1,2,3,4-tetrahydro -β-carboline.

本文以1，3-二甲基苯并咪唑碘盐和2-取代的1，3-二甲基苯并咪唑碘盐为原料，采用了NaBH_4还原和Grignard试剂加成两种方法，制备了13种1，3-二甲基苯并咪唑烷和2-取代的1，3-二甲基苯并咪唑烷作为四氢叶酸辅酶一碳单元转移新模型，在酸性条件下，以2-(3，4-二甲氧基苯基)乙胺作为接收一碳转移的亲核试剂，完成了13种重要的四氢异喹啉类化合物的新合成方法研究。

This is a review with 27 references on the chemical constituents (volatile and non-volatile components)――monoterpenes,sesquiterpenes, phenylpropanes,flavonoid,quinonoids,alkaloids,cholines and amino acids,etc.of Rhizoma Acori,including Rhizoma Acori graminei and Rhizoma Acori calami.

文摘：菖蒲为较常用中药，具有多种药理及生理作用。含有单萜、倍半萜、苯丙素等挥发油成分及黄酮、醌、生物碱、胆碱、有机酸、氨基酸、糖等非挥发性成分。本文就此对两种菖蒲――石菖蒲和水菖蒲的化学成分研究状况作一综述。以对其进行全面的研究与开发。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。